This is the signal for the new "Shine" mobile network from Eazi Telecom who have a telecomunications licence from the Gibraltar Regulatory Authority (www.gra.gi).
The '26609' number comes from the combination of the "266" MCC - Mobile Country Code allocated to Gibraltar, as defined in ITU E.212, and "09" their Mobile Network Code to identify them as a specific network within the country.
They join GIBTEL  the mobile network from Gibtelecom, and CTS .
The other neworks listed are stray 'overspill' signals coming from the masts of Spanish networks across the border in Spain.
The original Eazi Telecom website can be found at www.eazitelecom.com but their new public facing website under the Shine brand is beginging to get populated at www.shine-mobile.com.
There is something interesting regarding domain names here, which we might return to in a day or two...